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- W4220772954 endingPage "4696" @default.
- W4220772954 startingPage "4670" @default.
- W4220772954 abstract "Parahydrogen-induced polarisation (PHIP) is a nuclear spin hyperpolarisation technique employed to enhance NMR signals for a wide range of molecules. This is achieved by exploiting the chemical reactions of parahydrogen (para-H2), the spin-0 isomer of H2. These reactions break the molecular symmetry of para-H2 in a way that can produce dramatically enhanced NMR signals for reaction products, and are usually catalysed by a transition metal complex. In this review, we discuss recent advances in novel homogeneous catalysts that can produce hyperpolarised products upon reaction with para-H2. We also discuss hyperpolarisation attained in reversible reactions (termed signal amplification by reversible exchange, SABRE) and focus on catalyst developments in recent years that have allowed hyperpolarisation of a wider range of target molecules. In particular, recent examples of novel ruthenium catalysts for trans and geminal hydrogenation, metal-free catalysts, iridium sulfoxide-containing SABRE systems, and cobalt complexes for PHIP and SABRE are reviewed. Advances in this catalysis have expanded the types of molecules amenable to hyperpolarisation using PHIP and SABRE, and their applications in NMR reaction monitoring, mechanistic elucidation, biomedical imaging, and many other areas, are increasing." @default.
- W4220772954 created "2022-04-03" @default.
- W4220772954 creator A5039594389 @default.
- W4220772954 creator A5051087226 @default.
- W4220772954 date "2022-01-01" @default.
- W4220772954 modified "2023-10-18" @default.
- W4220772954 title "Advancing homogeneous catalysis for parahydrogen-derived hyperpolarisation and its NMR applications" @default.
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